The Trunk function can bundles multiple Ethernet links into a logical link to
increase bandwidth, improve reliability, and make load balanced.
The EAP330 has two 1000Mbps Ethernet port. If the Trunk function is enabled
and the ports are in the speed of 1000Mbps Full Duplex, the whole
bandwidth of the Trunk is up to 4Gbps (2000Mbps * 2) because the
bandwidth of each member port is 2000Mbps.